20997086

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5273}}^1$

素因数の和:5467

約数の個数: 16

約数和(自身を含む): 34555248

約数和(自身を除く): 13558162

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 5273, 10546, 58003, 116006, 954413, 1908826, 10498543, 20997086]

約数ペア:

[(1, 20997086), (2, 10498543), (11, 1908826), (22, 954413), (181, 116006), (362, 58003), (1991, 10546), (3982, 5273)]